Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtps  (TLS1.3) tls
 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
	(Exim 4.96)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1vJ6Ua-00AieW-2K
	for pgsql-hackers@arkaria.postgresql.org;
	Wed, 12 Nov 2025 08:46:15 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.96)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1vJ6UY-00ANUf-19
	for pgsql-hackers@arkaria.postgresql.org;
	Wed, 12 Nov 2025 08:46:14 +0000
Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29])
	by malur.postgresql.org with esmtps  (TLS1.3) tls
 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
	(Exim 4.96)
	(envelope-from <zengman@halodbtech.com>)
	id 1vJ6UY-00ANUX-0D
	for pgsql-hackers@lists.postgresql.org;
	Wed, 12 Nov 2025 08:46:14 +0000
Received: from mahout.postgresql.org ([2001:4800:3e1:1::227])
	by magus.postgresql.org with esmtps  (TLS1.3) tls
 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
	(Exim 4.96)
	(envelope-from <zengman@halodbtech.com>)
	id 1vJ6UQ-007JOz-0u
	for pgsql-hackers@lists.postgresql.org;
	Wed, 12 Nov 2025 08:46:13 +0000
Received: from coridan.postgresql.org ([2001:4800:3e1:1::213])
	by mahout.postgresql.org with esmtps  (TLS1.3) tls
 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
	(Exim 4.94.2)
	(envelope-from <zengman@halodbtech.com>)
	id 1vJ6UO-00DQHF-02
	for pgsql-hackers@lists.postgresql.org; Wed, 12 Nov 2025 08:46:04 +0000
Received: from localhost ([127.0.0.1] helo=coridan.postgresql.org)
	by coridan.postgresql.org with esmtp (Exim 4.96)
	(envelope-from <zengman@halodbtech.com>)
	id 1vJ6UM-00HK2D-1o
	for pgsql-hackers@lists.postgresql.org;
	Wed, 12 Nov 2025 08:46:02 +0000
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Subject: Re: Extended Statistics set/restore/clear functions.
To: pgsql-hackers@lists.postgresql.org
From: Man Zeng <zengman@halodbtech.com>
Cc: Corey Huinker <corey.huinker@gmail.com>
Date: Wed, 12 Nov 2025 08:45:16 +0000
User-Agent: pgcommitfest
X-cfsender: zengman
In-Reply-To: <aRQ9DlurbzZ5EObD@paquier.xyz>
References: 
 <CADkLM=dpz3KFnqP-dgJ-zvRvtjsa8UZv8wDAQdqho=qN3kX0Zg@mail.gmail.com>
 <aRQ9DlurbzZ5EObD@paquier.xyz>
Message-ID: 
 <176293711658.2081918.12019224686811870203.pgcf@coridan.postgresql.org>
List-Id: <pgsql-hackers.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-hackers@lists.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-hackers>
Archived-At: 
 <https://www.postgresql.org/message-id/176293711658.2081918.12019224686811870203.pgcf%40coridan.postgresql.org>
Precedence: bulk
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